Caption: In the heart of the Chemical Valley a CSX operation, isolated from the rest of the CSX network continues to toil 7 days a week in Sarnia, Ontario. With a history that goes back to the Chesapeake and Ohio Railway, the conductor on this train living proof of it, having joined the C&O's Canadian Division in 1967 and continues employment to this very day. The crew has just returned from the CN, and are shoving their train of 38 cars to the rear into the CSX Sarnia yard.